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/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2006-09-23 Bernard first version
* 2006-10-05 Bernard add .nobbs attribute for _svc_stack_start
*/
#include <rtthread.h>
#include <rthw.h>
#include <s3c44b0.h>
#include <board.h>
extern void rt_hw_interrupt_init(void);
extern void rt_serial_init(void);
extern void rt_hw_cpu_icache_enable(void);
/**
* @addtogroup wh44b0
*/
/*@{*/
#ifdef __CC_ARM
extern int Image$$RW_RAM1$$ZI$$Limit;
#else
extern int __bss_end;
#endif
#ifdef RT_USING_FINSH
extern int finsh_system_init(void);
#endif
extern int rt_application_init(void);
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* enable cpu cache */
rt_hw_cpu_icache_enable();
/* init hardware interrupt */
rt_hw_interrupt_init();
/* init board */
rt_hw_board_init();
/* init hardware serial */
rt_serial_init();
rt_show_version();
/* init tick */
rt_system_tick_init();
/* init kernel object */
rt_system_object_init();
/* init timer system */
rt_system_timer_init();
/* init memory system */
#ifdef RT_USING_HEAP
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$RW_RAM1$$ZI$$Limit, (void*)0xD000000);
#else
rt_system_heap_init((void*)&__bss_end, (void*)0xD000000);
#endif
#endif
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_HOOK
/* set idle thread hook */
rt_thread_idle_sethook(rt_hw_led_flash);
#endif
/* init application */
rt_application_init();
#ifdef RT_USING_FINSH
/* init the finsh input */
rt_hw_finsh_init();
/* init finsh */
finsh_system_init();
#endif
/* init idle thread */
rt_thread_idle_init();
/* unmask interrupt */
rt_hw_interrupt_umask(INT_GLOBAL);
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
int main(void)
{
/* invoke rtthread startup */
rtthread_startup();
}
/*@}*/
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